Rekensommen met eraf tot 100

Erafsommen
1.
85
–
60
=
2.
35
–
20
=
3.
80
–
60
=
4.
80
–
75
=
5.
75
–
70
=
6.
55
–
25
=
7.
25
–
10
=
8.
15
–
0
=
9.
60
–
40
=
10.
60
–
45
=
11.
75
–
0
=
12.
45
–
30
=
13.
5
–
0
=
14.
25
–
5
=
15.
85
–
0
=
16.
80
–
40
=
17.
45
–
10
=
18.
95
–
65
=
19.
55
–
35
=
20.
55
–
20
=
21.
25
–
10
=
22.
75
–
15
=
23.
80
–
80
=
24.
15
–
10
=
25.
70
–
5
=
26.
85
–
15
=
27.
35
–
5
=
28.
50
–
50
=
29.
100
–
50
=
30.
10
–
5
=
31.
10
–
5
=
32.
50
–
15
=
33.
10
–
0
=
34.
65
–
35
=
35.
25
–
20
=
36.
75
–
25
=
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Rekensommen met eraf tot 100
| ANTWOORDEN

Erafsommen
1.
85
–
60
=
25
2.
35
–
20
=
15
3.
80
–
60
=
20
4.
80
–
75
=
5
5.
75
–
70
=
5
6.
55
–
25
=
30
7.
25
–
10
=
15
8.
15
–
0
=
15
9.
60
–
40
=
20
10.
60
–
45
=
15
11.
75
–
0
=
75
12.
45
–
30
=
15
13.
5
–
0
=
5
14.
25
–
5
=
20
15.
85
–
0
=
85
16.
80
–
40
=
40
17.
45
–
10
=
35
18.
95
–
65
=
30
19.
55
–
35
=
20
20.
55
–
20
=
35
21.
25
–
10
=
15
22.
75
–
15
=
60
23.
80
–
80
=
0
24.
15
–
10
=
5
25.
70
–
5
=
65
26.
85
–
15
=
70
27.
35
–
5
=
30
28.
50
–
50
=
0
29.
100
–
50
=
50
30.
10
–
5
=
5
31.
10
–
5
=
5
32.
50
–
15
=
35
33.
10
–
0
=
10
34.
65
–
35
=
30
35.
25
–
20
=
5
36.
75
–
25
=
50
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Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen